Index: x11/nvidia-driver/Makefile
===================================================================
--- x11/nvidia-driver/Makefile
+++ x11/nvidia-driver/Makefile
@@ -9,7 +9,7 @@
 # you need to use legacy driver version and install one of corresponding
 # slave ports instead (`x11/nvidia-driver-340' or `x11/nvidia-driver-304').
 
-PORTNAME=	nvidia-driver
+PORTNAME?=	nvidia-driver
 DISTVERSION?=	440.31
 # Always try to set PORTREVISION as it can be overridden by the slave ports
 PORTREVISION?=	0
@@ -18,8 +18,8 @@
 DISTNAME=	NVIDIA-FreeBSD-${ARCH_SUFX}-${DISTVERSION}
 DISTFILES=	${DISTNAME}${EXTRACT_SUFX}
 
-MAINTAINER=	danfe@FreeBSD.org
-COMMENT=	NVidia graphics card binary drivers for hardware OpenGL rendering
+MAINTAINER?=	danfe@FreeBSD.org
+COMMENT?=	NVidia graphics card binary drivers for hardware OpenGL rendering
 
 LICENSE_FILE=	${WRKSRC}/doc/license.txt
 .include "${.CURDIR}/../nvidia-driver/Makefile.common"
@@ -58,6 +58,7 @@
 		extra-patch-src-nvidia_pci.c
 DOCSDIR=	${PREFIX}/share/doc/NVIDIA_GLX-1.0
 MODULESDIR=	lib/xorg/modules
+EXTENSIONSDIR?=	${MODULESDIR}/extensions/.nvidia
 PORTDOCS=	*
 
 .if ${NVVERSION} >= 331.013
@@ -93,8 +94,25 @@
 FREEBSD_AGP_DESC=	Use FreeBSD AGP GART driver
 .endif
 
-PLIST_SUB+=	MODULESDIR=${MODULESDIR}
+PLIST_SUB+=	MODULESDIR=${MODULESDIR} \
+		EXTENSIONSDIR=${EXTENSIONSDIR}
 
+.ifdef LIBGLDIR
+PLIST_SUB+=	LIBGLDIR=${LIBGLDIR}
+.else
+PLIST_SUB+=	LIBGLDIR="@comment "
+.endif
+
+.ifdef NO_LIBMAP
+PLIST_SUB+=	LIBGLMAP="@comment "
+.else
+PLIST_SUB+=	LIBGLMAP=""
+.endif
+
+.if ${PORTNAME} != nvidia-headless-driver
+CONFLICTS_INSTALL+=	nvidia-headless-*
+.endif
+
 .include <bsd.port.pre.mk>
 
 pre-patch:
@@ -269,8 +287,30 @@
 		${STAGEDIR}${PREFIX}/lib/libGLESv2-NVIDIA.so.2
 	${RM} ${STAGEDIR}${PREFIX}/lib/libGLESv2.so
 .endif
+# nvidia-headless-driver does not want libmap
+.ifndef NO_LIBMAP
 	@${MKDIR} ${STAGEDIR}${PREFIX}/etc/libmap.d/
 	${INSTALL_DATA} ${WRKDIR}/nvidia.conf \
 		${STAGEDIR}${PREFIX}/etc/libmap.d/
+.endif
+# nvidia-headless-utils needs a library path containing unrenamed lib*GL*.so
+.ifdef LIBGLDIR
+	${MKDIR} ${STAGEDIR}${PREFIX}/${LIBGLDIR}
+	${RLN} ${STAGEDIR}${PREFIX}/lib/libGL-NVIDIA.so.1 \
+		${STAGEDIR}${PREFIX}/${LIBGLDIR}/libGL.so.1
+	${RLN} ${STAGEDIR}${PREFIX}/lib/libEGL-NVIDIA.so.1 \
+		${STAGEDIR}${PREFIX}/${LIBGLDIR}/libEGL.so.1
+	${RLN} ${STAGEDIR}${PREFIX}/lib/libGLESv2-NVIDIA.so.2 \
+		${STAGEDIR}${PREFIX}/${LIBGLDIR}/libGLESv2.so.2
+.endif
+.if ${NVVERSION} < 410.057
+# nvidia-headless-driver needs a separate modules dir
+.if ${EXTENSIONSDIR} != ${MODULESDIR}/extensions/.nvidia
+	${MKDIR} ${STAGEDIR}${PREFIX}/${EXTENSIONSDIR}
+	${MV} ${STAGEDIR}${PREFIX}/${MODULESDIR}/extensions/.nvidia/* \
+		${STAGEDIR}${PREFIX}/${EXTENSIONSDIR}/
+.endif
+.endif
 
+
 .include <bsd.port.post.mk>
Index: x11/nvidia-driver/pkg-plist
===================================================================
--- x11/nvidia-driver/pkg-plist
+++ x11/nvidia-driver/pkg-plist
@@ -1,7 +1,10 @@
 bin/nvidia-bug-report.sh
 bin/nvidia-debugdump
 bin/nvidia-smi
-etc/libmap.d/nvidia.conf
+%%LIBGLMAP%%etc/libmap.d/nvidia.conf
+%%LIBGLDIR%%/libGL.so.1
+%%LIBGLDIR%%/libEGL.so.1
+%%LIBGLDIR%%/libGLESv2.so.2
 lib/libEGL-NVIDIA.so
 lib/libEGL-NVIDIA.so.1
 lib/libEGL_nvidia.so
Index: x11/nvidia-headless-driver/Makefile
===================================================================
--- x11/nvidia-headless-driver/Makefile
+++ x11/nvidia-headless-driver/Makefile
@@ -0,0 +1,19 @@
+PORTNAME=	nvidia-headless-driver
+# Explicitly set PORTREVISION as it can be overridden by the master port
+PORTREVISION=	0
+
+MASTERDIR=	${.CURDIR}/../nvidia-driver
+
+MAINTAINER=     theron@FreeBSD.org
+COMMENT=        NVidia graphics card binary drivers for hardware OpenGL rendering on secondary device
+
+CONFLICTS_INSTALL=	nvidia-driver
+
+EXTENSIONSDIR=	lib/xorg/modules-NVIDIA/extensions
+NO_LIBMAP=1
+
+LIBGLDIR=	lib/libGL-NVIDIA
+
+SUB_FILES=	pkg-message
+
+.include "${MASTERDIR}/Makefile"
Index: x11/nvidia-headless-driver/pkg-message
===================================================================
--- x11/nvidia-headless-driver/pkg-message
+++ x11/nvidia-headless-driver/pkg-message
@@ -0,0 +1,7 @@
+Utilization of this driver for GLX acceleration requires special configuration
+of an Xorg server instance.  Install one of the following ports to automate
+this configuration:
+
+  x11/nvidia-headless-utils for non-graphical application
+
+  x11/nvidia-hybrid-graphics for forwarding to another Xorg server
Index: x11/nvidia-headless-utils/Makefile
===================================================================
--- x11/nvidia-headless-utils/Makefile
+++ x11/nvidia-headless-utils/Makefile
@@ -0,0 +1,23 @@
+# $FreeBSD$
+
+PORTNAME?=	nvidia-headless-utils
+DISTVERSION=	0.5
+CATEGORIES=	x11
+MASTER_SITES=	https://raw.githubusercontent.com/therontarigo/freebsd-gpu-headless/master/dist/
+DISTNAME=	nvidia-headless-utils-${DISTVERSION}
+EXTRACT_SUFX=	.tar.xz
+
+MAINTAINER=	theron@FreeBSD.org
+COMMENT?=	Utilities for running OpenGL applications on nvidia-headless-driver
+
+RUN_DEPENDS?=	nvidia-xconfig:x11/nvidia-xconfig \
+		nvidia-headless-driver>=390.87:x11/nvidia-headless-driver \
+		${LOCALBASE}/bin/Xorg:x11-servers/xorg-server
+
+ONLY_FOR_ARCHS=	i386 amd64
+
+SUB_FILES?=	pkg-message
+
+USE_RC_SUBR?=	nvidia_xorg
+
+.include <bsd.port.mk>
Index: x11/nvidia-headless-utils/distinfo
===================================================================
--- x11/nvidia-headless-utils/distinfo
+++ x11/nvidia-headless-utils/distinfo
@@ -0,0 +1,3 @@
+TIMESTAMP = 1573416029
+SHA256 (nvidia-headless-utils-0.5.tar.xz) = fe5a35cda9587cda1dfea74e8221a94f2ebb46d3f3fecb761eeb3b150ffcc662
+SIZE (nvidia-headless-utils-0.5.tar.xz) = 2112
Index: x11/nvidia-headless-utils/files/nvidia_xorg.in
===================================================================
--- x11/nvidia-headless-utils/files/nvidia_xorg.in
+++ x11/nvidia-headless-utils/files/nvidia_xorg.in
@@ -0,0 +1,54 @@
+#!/bin/sh
+
+# $FreeBSD$
+#
+# PROVIDE: nvidia_xorg
+# REQUIRE: LOGIN
+# KEYWORD: shutdown
+
+. /etc/rc.subr
+
+name=nvidia_xorg
+rcvar=nvidia_xorg_enable
+desc="Nvidia GPU Dedicated Xorg"
+
+load_rc_config $name
+
+: ${nvidia_xorg_enable:=NO}
+: ${nvidia_modeset:=YES}
+: ${nvidia_manage_kld:=YES}
+
+command="%%LOCALBASE%%/bin/Xorg"
+pidfile=/var/run/${name}.pid
+start_cmd="${name}_start"
+stop_postcmd="${name}_poststop"
+
+nvidia_xorg_start()
+{
+	if checkyesno nvidia_manage_kld; then
+		if checkyesno nvidia_modeset; then
+			kldload -n nvidia-modeset
+		else
+			kldload -n nvidia
+		fi
+	fi
+
+	%%PREFIX%%/bin/Xorg-nvidia-headless > /var/log/nvidia-headless-xorg.log 2>&1 &
+	pid=$!
+	printf %s $pid > "$pidfile"
+}
+
+nvidia_xorg_poststop()
+{
+	rm -f "$pidfile"
+
+	if checkyesno nvidia_manage_kld; then
+		if checkyesno nvidia_modeset; then
+			kldstat -q -n nvidia-modeset && kldunload -f nvidia-modeset
+		else
+			kldstat -q -n nvidia && kldunload -f nvidia
+		fi
+	fi
+}
+
+run_rc_command "$1"
Index: x11/nvidia-headless-utils/files/pkg-message.in
===================================================================
--- x11/nvidia-headless-utils/files/pkg-message.in
+++ x11/nvidia-headless-utils/files/pkg-message.in
@@ -0,0 +1,17 @@
+Running Xorg-nvidia-headless at startup is recommended especially on mobile
+systems since leaving Nvidia GPU powered on with no Xorg may consume
+significantly more power.
+
+# sysrc nvidia_xorg_enable=YES
+# service nvidia_xorg start
+
+Install x11/nvidia-hybrid-graphics if graphical output of the Nvidia
+accelerated application on the current X11 display is required.
+
+Modify %%PREFIX%%/etc/X11/xorg-nvidia-headless-template.conf to change general
+Xorg options, or run %%PREFIX%%/bin/nvidia-headless-xconfig, then edit
+%%PREFIX%%/etc/X11/xorg-nvidia-headless.conf if post-xconfig modifications are
+required.
+
+Running %%PREFIX%%/bin/nvidia-headless-xconfig will allow Xorg-nvidia-headless
+to run as non-superuser if Xorg has been installed setuid.
Index: x11/nvidia-headless-utils/pkg-descr
===================================================================
--- x11/nvidia-headless-utils/pkg-descr
+++ x11/nvidia-headless-utils/pkg-descr
@@ -0,0 +1,7 @@
+This port provides scripts and template configuration files for setting up and
+using x11/nvidia-headless-driver for offscreen hardware OpenGL rendering.
+
+A separate port, x11/nvidia-hybrid-graphics enables presentation of a graphical
+application on the current X11 display while utilizing Nvidia acceleration.
+
+WWW: https://github.com/therontarigo/freebsd-gpu-headless
Index: x11/nvidia-headless-utils/pkg-plist
===================================================================
--- x11/nvidia-headless-utils/pkg-plist
+++ x11/nvidia-headless-utils/pkg-plist
@@ -0,0 +1,6 @@
+bin/Xorg-nvidia-headless
+bin/nvidia-headless-xconfig
+bin/nvrun
+etc/X11/xorg-nvidia-headless-template.conf
+etc/nvidia-headless.conf
+libexec/nvidia-headless-utils/readconf
Index: x11/nvidia-hybrid-graphics/Makefile
===================================================================
--- x11/nvidia-hybrid-graphics/Makefile
+++ x11/nvidia-hybrid-graphics/Makefile
@@ -0,0 +1,28 @@
+# $FreeBSD$
+
+PORTNAME=	nvidia-hybrid-graphics
+MASTERDIR=	${.CURDIR}/../nvidia-headless-utils
+
+COMMENT=	NVIDIA headless (discrete GPU) graphics acceleration - AKA Optimus
+
+RUN_DEPENDS=	nvidia-headless-utils>=0.3:x11/nvidia-headless-utils \
+		nvidia-headless-driver>=390.87:x11/nvidia-headless-driver \
+		${LOCALBASE}/VirtualGL/bin/vglrun:x11/virtualgl \
+		nvidia-settings:x11/nvidia-settings
+
+DESCR=	${.CURDIR}/pkg-descr
+PLIST=	${.CURDIR}/pkg-plist
+
+SUB_FILES=
+USE_RC_SUBR=
+
+OPTIONS_DEFINE=		OPTIRUN
+OPTIONS_DEFAULT=	OPTIRUN
+OPTIONS_SUB=		OPTIRUN
+OPTIRUN_DESC=		Install "optirun" alias for nvrun-vgl
+
+post-install-OPTIRUN-on:
+	@${RLN} ${STAGEDIR}${PREFIX}/bin/nvrun-vgl \
+		${STAGEDIR}${PREFIX}/bin/optirun
+
+.include "${MASTERDIR}/Makefile"
Index: x11/nvidia-hybrid-graphics/pkg-descr
===================================================================
--- x11/nvidia-hybrid-graphics/pkg-descr
+++ x11/nvidia-hybrid-graphics/pkg-descr
@@ -0,0 +1,8 @@
+This port integrates the Nvidia graphics driver and supporting utilities with
+VirtualGL, enabling use of Nvidia acceleration on a system with hybrid graphics
+hardware configuration, aka "Optimus".
+
+Applications to be run with Nvidia acceleration should be started using
+`nvrun-vgl`.
+
+WWW: https://github.com/therontarigo/freebsd-gpu-headless
Index: x11/nvidia-hybrid-graphics/pkg-plist
===================================================================
--- x11/nvidia-hybrid-graphics/pkg-plist
+++ x11/nvidia-hybrid-graphics/pkg-plist
@@ -0,0 +1,4 @@
+bin/nvrun-vgl
+%%OPTIRUN%%bin/optirun
+etc/nvidia-hybrid.conf
+libexec/nvidia-settings-hybrid
Index: x11/nvidia-settings/Makefile
===================================================================
--- x11/nvidia-settings/Makefile
+++ x11/nvidia-settings/Makefile
@@ -28,11 +28,14 @@
 GH_ACCOUNT=	NVIDIA
 
 PLIST_FILES=	bin/nvidia-settings \
+		libexec/nvidia-settings \
 		man/man1/nvidia-settings.1.gz \
 		lib/libnvidia-gtk2.so.${PORTVERSION} \
 		share/applications/nvidia-settings.desktop \
 		share/pixmaps/nvidia-settings.png
 
+SUB_FILES=	nvidia-settings
+
 LDFLAGS+=	-pthread
 LLD_UNSAFE=	yes
 MAKE_ENV=	NV_USE_BUNDLED_LIBJANSSON=0 \
@@ -57,5 +60,9 @@
 		${STAGEDIR}/${DESKTOPDIR}
 	${INSTALL_DATA} ${WRKSRC}/doc/nvidia-settings.png \
 		${STAGEDIR}/${PREFIX}/share/pixmaps
+	${MV} ${STAGEDIR}${PREFIX}/bin/nvidia-settings \
+		${STAGEDIR}${PREFIX}/libexec/nvidia-settings
+	${INSTALL} ${WRKDIR}/nvidia-settings \
+		${STAGEDIR}${PREFIX}/bin/nvidia-settings
 
 .include <bsd.port.mk>
Index: x11/nvidia-settings/files/nvidia-settings.in
===================================================================
--- x11/nvidia-settings/files/nvidia-settings.in
+++ x11/nvidia-settings/files/nvidia-settings.in
@@ -0,0 +1,3 @@
+#!/bin/sh
+[ -e "%%LOCALBASE%%/libexec/nvidia-settings-hybrid" ] && exec %%LOCALBASE%%/libexec/nvidia-settings-hybrid "$@"
+exec %%PREFIX%%/libexec/nvidia-settings "$@"